System and method for controlling individually customized sleep massage chair using data of sleep state

Abstract

Disclosed are an individually customized sleep massage chair using sleep state data and a control method thereof. The present disclosure induces a user to enter the sleep state, analyzes the sleep state of the user, thereby providing a result thereof, and performs control according to the analysis result such that the shape of the chair is changed so as to maintain the sleep state of the user.

What is claimed is: 
     
         1 . A system for controlling an individually customized sleep massage chair using sleep state data, the system comprising:
 a massage chair ( 100 ) configured to perform a massage on a body of a user ( 500 ), detect sitting posture data and weight data of the user ( 500 ), thereby transmitting the same to a terminal ( 200 ), and perform a modification operation of changing a posture of the user ( 500 ) or a massage according to an operation control signal transmitted from the terminal ( 200 );   a terminal ( 200 ) configured to, when a signal for a sleep mode is input by the user ( 500 ), receive the posture data and the weight data measured by the massage chair ( 100 ) and biometric data of the user ( 500 ) measured by a wearable sensor part ( 300 ), calculate a relaxation index of the user using a pre-stored analysis program, output an operation control signal according to the calculated relaxation index such that a shape of the massage chair ( 100 ) is changed, thereby inducing the user ( 500 ) to enter a sleep state, compare the calculated relaxation index with a predetermined sleep determination reference value, if the relaxation index is equal to or greater than the reference value, determine that the user ( 500 ) is in the sleep state, and perform control so as to maintain the sleep state of the user ( 500 ) through operation control of the massage chair ( 100 ) using the weight data of the user ( 500 ) on the massage chair ( 100 ) and adjustment of horizontality of the massage chair ( 100 ); and   a wearable sensor part ( 300 ) configured to measure the biometric data while being worn on the body of the user ( 500 ) and transmit the measured biometric data to the terminal ( 200 ).   
     
     
         2 . The system of  claim 1 , further comprising a camera ( 400 ) provided in the massage chair ( 100 ) so as to photograph a face of the user ( 500 ). 
     
     
         3 . The system of  claim 2 , wherein the massage chair  100  comprises:
 a massage module ( 110 ) comprising a seat, a backrest, an armrest, a leg rest, and a headrest supporting the hips, back, arms, legs, and head of the user, respectively, wherein the seat, the backrest, the armrest, the leg rest, and the headrest are rotatably connected and force is applied to at least one of the seat, the backrest, the armrest, and the leg rest, thereby performing a massage on the body of the user; 
 a wireless receiver ( 120 ) configured to receive the operation control signal transmitted from the terminal ( 200 ); 
 position sensors ( 130 ) provided in the massage module ( 110 ) so as to measure the posture data and weight data of the user according to a change in the shape of the massage module ( 110 ); 
 a massage chair controller ( 140 ) configured to output a driving signal for performing control of changing the positions of the seat, the backrest, the armrest, the leg rest, and the headrest of the massage module ( 110 ) and a massage signal according to the received operation control signal, and configured to perform control such that the measured posture data and weight data are transmitted to the terminal ( 200 ); 
 a wireless transmitter ( 150 ) configured to transmit the posture data and weight data to the terminal ( 200 ); and 
 a massage module driving part ( 160 ) configured to provide driving force to operate the massage module ( 110 ) according to the driving signal and the massage signal. 
 
     
     
         4 . The system of  claim 2 , wherein the terminal ( 200 ) is configured to receive facial image data photographed by the camera ( 400 ), compare a facial image of the user ( 500 ) with a predetermined facial expression image, and reflect, in the relaxation index, a parameter value predetermined according to a selected comparative facial expression. 
     
     
         5 . The system of  claim 4 , wherein the terminal  200  comprises:
 a wireless receiver ( 210 ) configured to receive posture data, weight data, biometric data, and photographic data transmitted from the massage chair ( 100 ), the wearable sensor part ( 300 ), and the camera ( 400 ); 
 a data analyzer ( 220 ) configured to receive posture data and weight data measured by the massage chair ( 100 ), biometric data of the user ( 500 ) measured by the wearable sensor part ( 300 ), and facial image data of the user ( 500 ) photographed by the camera ( 400 ), calculate a relaxation index of the user using an analysis program, output an operation control signal according to the calculated relaxation index so as to change the shape of the massage chair ( 100 ), thereby inducing the user ( 500 ) to enter a sleep state, compare the calculated relaxation index with a predetermined sleep determination reference value, and if it is determined that the user ( 500 ) is in the sleep state, perform operation control of the massage chair ( 100 ) using the weight data of the user ( 500 ) on the massage chair ( 100 ) and adjustment of the horizontality of the massage chair ( 100 ), thereby maintaining the sleep state of the user ( 500 ); 
 a wireless transmitter ( 230 ) configured to transmit the operation control signal to the massage chair ( 100 ); and 
 a display ( 240 ) configured to visualize and display sleep entry time data and average sleeping time data of the user ( 500 ) according to a predetermined output format. 
 
     
     
         6 . The system of  claim 5 , wherein the data analyzer ( 220 ) is configured to analyze stress data and fatigue data using the biometric data of the user ( 500 ) and is configured to perform control so as to visualize and display a result of the analysis. 
     
     
         7 . The system of  claim 2 , wherein the wearable sensor part ( 300 ) comprises:
 a biometric data measuring part ( 310 ) configured to be worn on the body of the user ( 500 ) so as to measure a biometric signal;   a sensor controller ( 320 ) configured to output biometric data by eliminating a noise signal from the measured biometric signal; and   a wireless transmitter ( 330 ) configured to transmit the biometric data to the terminal ( 200 ).   
     
     
         8 . The system of  claim 7 , wherein the biometric signal comprises at least one of a pulse, a body temperature, a heart rate, and oxygen saturation of the blood. 
     
     
         9 . A method for controlling an individually customized sleep massage chair, the method comprising the steps of:
 (a) letting a terminal ( 200 ) receive posture data and weight data of a user ( 500 ) measured by a massage chair ( 100 ) and biometric data of the user ( 500 ) measured by a wearable sensor part ( 300 ) when a sleep mode setting signal is input by the user ( 500 );   (b) letting the terminal ( 200 ) calculate a relaxation index of the user by analyzing the received data in the step (a) using an analysis program and output an operation control signal according to the calculated relaxation index such that a shape of the massage chair ( 100 ) is changed, thereby inducing the user ( 500 ) to enter a sleep state;   (c) letting the terminal ( 200 ) compare the calculated relaxation index with a predetermined sleep determination reference value, thereby determining whether or not the user ( 500 ) is in the sleep state;   (d) if the user is in the sleep state as a result of the determination, letting the terminal ( 200 ) receive biometric data of the user ( 500 ) measured by the wearable sensor part ( 300 ), weight data of the user ( 500 ) on the massage chair ( 100 ), and horizontality data of the massage chair ( 100 ), update the relaxation index, and control the operation of the massage chair ( 100 ) so as to maintain the sleep state; and   (e) when the sleep state of the user ( 500 ) is terminated, letting the terminal ( 200 ) store data analyzed during asleep, convert the analyzed data to visualized data in a predetermined output format, and output the same.   
     
     
         10 . The system of  claim 9 , wherein the step (b) further comprises:
 receiving a facial image of the user ( 500 ) photographed by a camera ( 400 );   comparing the received facial image of the user ( 500 ) with a predetermined facial expression image; and   reflecting a parameter value predetermined according to a selected comparative facial expression to the relaxation index.   
     
     
         11 . The system of  claim 9 , wherein the step (d) further comprises:
 analyzing stress data and fatigue data of the user  500  from the biometric data of the user  500 ;   normalizing the analyzed stress data and fatigue data; and   outputting the stress index and the fatigue index.